zone valves

Zone Valve Specifications

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to circulation and hydronic pumps - to parts for Sparco zone valves - to quick pipe repair fittings
to tools - to Sharkbite® fittings - to stainless steel water connectors - to air eliminators - to commercial products

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PlumbingSupply.com is your source for Sparco brand zone valves and repair parts.
We also offer Sparco brand air eliminators and purge valves.

Sparco Powertrack Motorized Zone Valve Specifications

Zone Valves

  Dimensions (in.)
Product
Number
Size
(in.)
Aux.
Switch
A B C D E F Wt (lbs.)
MZV525 3/4 no 3.3 0.8 4.7 0.7 1.6 5.5 1.7
MZV525E 3/4 yes 3.3 0.8 4.7 0.7 1.6 5.5 1.7
MZV526 1 no 3.8 1.0 4.7 0.8 1.6 5.5 2.0
MZV526E 1 yes 3.8 1.0 4.7 0.8 1.6 5.5 2.0
MZV527 1 1/4 no 8.3 1.0 4.7 0.8 1.6 5.5 2.2
MZV527E 1 1/4 yes 8.3 1.0 4.7 0.8 1.6 5.5 2.2
MZV 520RP - yes Operator for MZV 525E/526E/527E
MZV 521RP - no Operator for MZV 525/526/527
Maximum water pressure: 125 psi, 862 kPa. Maximum shutoff pressure: 3/4"- 20psi; 1" - 17 psi.
Maximum temperature: 240ºF (115ºC). Motor: 24 VAC, 60 Hz, 0.25 ampere.

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SparcoZone Multiple Zone Valve Specifications

Zone Valves
Product
Number
Description 1 1/4" MNPT/sweat
SZ3S1 3-zones • 3/4" sweat Without control
SZ4S1 4 zones • 3/4" sweat
SZ3T1 3 zones • 3/4" threaded
SZ4T1 4 zones • 3/4" threaded
S2Z3S3 3 zones • 3/4" sweat Includes control
with priority
S2Z4S3 4 zones • 3/4" sweat
S2Z3T3 3 zones • 3/4" threaded
SZtj24T3 4 zones • 3/4" threaded
SH4S 4 zones, header only • 3/4" sweat
SH4T 4 zones, header only • 3/4" threaded

Typical Installation
1. Sparcozone header
2. Drain valve for purging
3. Sparcozone multiple zone valve
4. Circulator
5. Boiler Drain
6. Sparco backflow preventor
7. Sparco dual control
8. Sparco diaphragm expansion tank
9. Sparco power vent

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Sparco zone valves


Sparco zone valves"My valve does not open when the thermostat closes?"
Sparco zone valvesCheck voltage between yellow and orange wires; voltage should be between 22 and 26 volts.

Sparco zone valves"Why does my valve chatter when closing?"
Sparco zone valvesIt may have been installed backwards. Check for proper flow direction.

We hope that we have helped you on this page with zone valves and that you will always be pleased with us.



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